Variable | Days of observations | Mean | SD | Percentile | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min | 5th | 10th | 25th | 50th | 75th | 90th | 95th | Max | ||||
Asthma admissions/day | ||||||||||||
All ages | 1796 | 35.1 | 15.3 | 3 | 15 | 18 | 24 | 33 | 43 | 54 | 64 | 109 |
0–14 years | 1796 | 19.5 | 11.1 | 1 | 6 | 8 | 12 | 17 | 25 | 34 | 40 | 85 |
15–64 years | 1796 | 13.1 | 6.3 | 1 | 5 | 6 | 9 | 12 | 17 | 21 | 25 | 46 |
65+ years | 1796 | 2.6 | 1.8 | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 12 |
Mean temperature (°C) | 1796 | 12.3 | 5.2 | −5 | 4 | 6 | 8 | 12 | 16 | 20 | 21 | 29 |
Relative humidity (%) | 1796 | 72.1 | 10.2 | 40 | 54 | 58 | 65 | 72 | 80 | 86 | 89 | 96 |
O3, maximum 8 h average (ppb) | 1613 | 15.5 | 10.9 | 1 | 2 | 4 | 8 | 14 | 21 | 28 | 36 | 74 |
O3, maximum 1 h (ppb) | 1677 | 20.6 | 13.2 | 0 | 3 | 5 | 11 | 20 | 27 | 36 | 45 | 94 |
NO2, 24 h average (ppb) | 1782 | 37.2 | 12.3 | 14 | 22 | 25 | 30 | 36 | 42 | 50 | 58 | 182 |
NO2, maximum 1 h average (ppb) | 1782 | 57.2 | 23.0 | 21 | 35 | 38 | 44 | 52 | 64 | 81 | 98 | 370 |
Black smoke, 24 h average (μg/m3) | 1793 | 14.6 | 7.0 | 3 | 7 | 8 | 10 | 13 | 18 | 22 | 26 | 95 |
SO2, 24 h average (μg/m3) | 1793 | 32.0 | 11.7 | 9 | 16 | 18 | 24 | 31 | 38 | 46 | 52 | 100 |
Birch pollen (grains/m3)1-1 | 252/915 | 18 | 42 | 1 | 1 | 1 | 1 | 3 | 18 | 40 | 94 | 406 |
Grass pollen (grains/3)1-1 | 600/915 | 21 | 37 | 1 | 1 | 1 | 2 | 6 | 18 | 68 | 104 | 293 |
Oak pollen (grains/m3)1-1 | 207/915 | 14 | 28 | 1 | 1 | 1 | 1 | 3 | 13 | 41 | 73 | 213 |
↵1-1 For warm season only. Number of days when counts were above zero.